The Number

81642

Eighty-One Thousand Six Hundred and Forty-Two

In Base 12 Duodecimal Is

3b2b612

The numbers with a 12 subscript use Base 12 Duodecimal notation.

For more familiar numbers: See Eighty-One Thousand Six Hundred and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81639
3b2b312
Eighty-One Thousand Six Hundred and Thirty-Nine in Base 12 Duodecimal
81640
3b2b412
Eighty-One Thousand Six Hundred and Forty in Base 12 Duodecimal
81641
3b2b512
Eighty-One Thousand Six Hundred and Forty-One in Base 12 Duodecimal
81643
3b2b712
Eighty-One Thousand Six Hundred and Forty-Three in Base 12 Duodecimal
81644
3b2b812
Eighty-One Thousand Six Hundred and Forty-Four in Base 12 Duodecimal
81645
3b2b912
Eighty-One Thousand Six Hundred and Forty-Five in Base 12 Duodecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

8.1642e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000306a80a5b89181b12

The reciprocal of 81642 in Base 12 Duodecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 3b2b612 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eighty-one thousand six hundred and forty-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand six hundred and forty-two is a composite number with 16 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eighty-one thousand six hundred and forty-two has the following 4 prime factors:

2
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
1237
87112
One Thousand Two Hundred and Thirty-Seven in Base 12 Duodecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2121 · 3121 · b121 · 871121 = 3b2b612

Base Conversions

The number eighty-one thousand six hundred and forty-two in 35 different bases